OE Quality
60-Day Returns

Dorman 936-391 Drive Shaft - Rear
Overview of Dorman 936-391 Drive Shaft for BMW 318i
The Dorman 936-391 drive shaft is engineered for reliable driveline performance in BMW 318i models. Constructed from durable steel, this rear driveshaft is designed to meet the specifications required for smooth power transfer and vehicle stability.
- Made from high-quality steel for strength and durability
- Regular grade type ensuring consistent performance
- 2.5-inch shaft diameter for optimal fitment
- 53.875 inches overall length tailored for BMW 318i rear driveshaft replacement
- 0.065-inch wall thickness for structural integrity
- Non-greaseable design for maintenance-free operation
- Fixed overall length, not adjustable
- Includes one rear driveshaft per package
Detailed Product Description
The Dorman 936-391 drive shaft is specifically designed for the BMW 318i, providing a direct replacement for the rear driveshaft. Its steel construction offers the necessary rigidity and resistance to torsional stress encountered during vehicle operation. The 2.5-inch shaft diameter and 0.065-inch wall thickness ensure the shaft maintains strength without adding unnecessary weight. This drive shaft is a regular grade type, suitable for standard driving conditions without requiring additional modifications. The fixed length of 53.875 inches matches the original equipment specifications, ensuring proper alignment and fitment within the driveline system.
Common Applications and Problem Resolution
- Replacement for worn or damaged rear driveshafts on BMW 318i
- Eliminates vibrations caused by bent or imbalanced shafts
- Restores driveline stability and smooth power delivery
- Addresses issues related to shaft wear or corrosion
- Prevents driveline noise and potential drivetrain damage
Installation Notes and Tips
Installation of the Dorman 936-391 drive shaft should be performed by a qualified technician familiar with BMW driveline components. Since this drive shaft is non-greaseable and has a fixed length, ensure proper alignment and secure fastening to avoid premature wear. Verify compatibility with the BMW 318i model year and drivetrain configuration before installation.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for your BMW 318i. While specific warranty details for part number 936-391 are not provided here, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.
| Brand | Dorman |
| Part Number | 936-391 |
| Shaft Material | Steel |
| Grade Type | Regular |
| Shaft Diameter | 2.5 |
| Drive Shaft Length (In) | 53.875 in |
| Drive Shaft Wall Thickness (In) | 0.065 in |
| Greaseable Drive Shaft | No |
| Overall Length Adjustable | No |
| Package Contents | 1 rear driveshaft |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 1985 | BMW | 318i | Automatic | Rear | |
| 1984 | BMW | 318i | Automatic | Rear |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.